11 mm width across flats
NSN 5999-01-388-1344
NSN 6135-01-633-8502
NSN 2925-00-221-4977
NSN 5925-01-363-6284
NSN 6105-00-802-2046
NSN 5855-01-286-8850
NSN 5915-01-167-9072
NSN 6610-01-399-1295
NSN 6135-01-294-2131
NSN 6240-00-416-6140
NSN 5996-01-145-2784
NSN 6650-01-470-1315